The Gmagick::blurimage() function is an inbuilt function in PHP which is used to add blur filter to the image.
Syntax:
Gmagick Gmagick::blurimage( $radius, $sigma, $channel )
Parameters: This function accepts three parameters as mentioned above and described below:
- $radius: This parameter is used to set blur radius in an image.
- $sigma: It sets the standard deviation.
- $channel: This parameter set the channel type constant. If it is not supplied then all channels are blurred.
Return Value: This function returns True on success.
Errors/Exceptions: This function throws GmagickException on error. Below programs illustrates the Gmagick::blurimage() function in PHP:
Original Image:
Program 1:
php
<?php
$gmagick = new Gmagick(
$gmagick->blurimage(7, 8);
header('Content-type: image/png');
echo $gmagick;
?>
|
Output:
Program 2:
php
<?php
$draw = new GmagickDraw();
$strokeColor = new GmagickPixel('Red');
$fillColor = new GmagickPixel('Green');
$draw->setStrokeOpacity(1);
$draw->setStrokeColor('Red');
$draw->setFillColor('Green');
$draw->setStrokeWidth(7);
$draw->setFontSize(72);
$draw->circle(250, 250, 100, 150);
$gmagick = new Gmagick();
$gmagick->newImage(500, 500, 'White');
$gmagick->setImageFormat("png");
$gmagick->drawImage($draw);
$gmagick->blurimage(7, 5);
header("Content-Type: image/png");
echo $gmagick->getImageBlob();
?>
|
Output:
Reference: http://php.net/manual/en/gmagick.blurimage.php
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Last Updated :
10 Apr, 2023
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